COMP Cams Valve Spring Retainers for LS1 R07C09YL In-line mounting block will fit

In-line mounting block will fit either 153- or 168-tooth flywheels and has rotation holes for added clearance

This allows users to take advantage of the precise factory resistor calibration when a sensor is new but then allows for free-air calibrations if the user desires when the sensor ages

Filter and Filter Pickup Extension

Proprietary Single Tension Neutralizing Tether System

ST5 Carbon

COMP Cams Valve Spring Retainers for LS1 R07C09YL In-line mounting block will fitPrecision machined from chromemoly steel then black oxided, these 7 degree retainers are designed specifically for GM LS engines with 1. 430" 1. 460" outer diameter valve springs. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens